Ustia may refer to:
Geography Ustia, Dubăsari, a commune in Dubăsari district, Moldova Ustia, Glodeni, a commune in Glodeni district, Moldova Ustia, Ukraine, a village in Ternopil Oblast Ustia, a river in Ukraine, a tributary of the Horyn Ostiano, spelled Üstià in Brescian, a commune in Cremona, Italy
Other uses Ustia (therapsid), an extinct genus of biarmosuchian therapsids US Travel Insurance Association (UStiA)
See also Ustya (disambiguation)